Year Percent of GDP (Units) 2001 0.658 2002 0.978 2003 1.764 2004 1.855 2005 -0.081 2006 -1.436 2007 -2.828 2008 -3.192 2009 -3.510 2010 -0.349 2011 0.405 2012 -1.653 2013 3.360 2014 2.143 2015 1.654 2016 4.068 2017 3.338 2018 2.671 2019 2.306 2020 -1.066 2021 -1.166 2022 4.843 2023 2.235 2024 2.282 2025 2.644 2026 2.655 2027 2.578 2028 2.509 2029 2.637